.main-content {
  /*height: 100%;*/
  /*top: 20px;*/
  /*left: 355px;*/
  /*position: fixed;*/
  /*width: calc(100% - 355px);*/
  /*background-color: var(--item-bg);*/
  /*background-image: url("./image/bg.png");*/
  /*box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);*/
}
.button-box {
  width: 120px;
  height: 80px;
  display: inline-block;
  /* background: url("./image/button.png") no-repeat; */
  /*background-size: 70px 70px;*/
  z-index: 1;
  margin: 5px;
}
.button-100-round {
  width: 70px;
  height: 40px;
  font-weight: 500;
  font-size: small;
  cursor: pointer;
  /*transition: all 0.3s ease;*/
  overflow: hidden;
  position: relative;
  color: white;
  background-color: var(--item-bg);
  border: 1px solid #4B3330;
  box-shadow: -1px -1px 4px 1px rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  z-index: 2;
  margin-right: 15px;
  margin-bottom: 10px;
}
.button-50-round {
  width: 70px;
  height: 40px;
  font-weight: 250;
  font-size: small;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  color: white;
  background-color: var(--item-bg);
  border: 1px solid var(--border-color);
  /*box-shadow: -1px -1px 4px 1px rgba(255, 255, 255, 0.15);*/
  border-radius: 15px;
  z-index: 2;
  margin-right: 5px;
  margin-bottom: 5px;
}

.button-200 {
  width: 170px;
  height: 80px;
  font-weight: 500;
  font-size: medium;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  color: white;
  background-color: var(--item-bg);
  border: 1px solid #4B3330;
  box-shadow: -1px -1px 4px 1px rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  z-index: 2;
  /*margin-right: 20px;*/
  margin-bottom: 10px;
}

.button-200:focus[param="red"] {
  /*background-color: red;*/
}
.button-200:focus[param="green"] {
  /*background-color: green;*/
}

button::after {
  position: absolute;
  content: " ";
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transition: all 0.3s ease;
  -webkit-transform: scale(0.1);
  transform: scale(0.1);
}

button:hover {
  /* color: #fff; */
  font-weight: 550;
}

/* button:hover:after {
    background: #7398ad80;
    border-radius: 10px;
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
  } */
.button-box:active {
  -webkit-transform: translate(2px, 2px);
  transform: translate(2px, 2px);
}

button.active-green {
  /*box-shadow: 0 0 5px rgba(78, 235, 78, 0.9), 0 0 5px rgba(78, 235, 78, 0.9),*/
  /*  0 0 5px rgba(78, 235, 78, 0.9), 0 0 5px rgba(78, 235, 78, 0.9);*/
  background: rgba(78, 235, 78);
  color: #fff;
  /*border: solid #a0ff90 3px;*/
}
/* 
  button.active-green:hover:after {
    background: rgb(78, 235, 78);
  } */

button.flash-green {
  animation: flash-green 1.5s linear infinite;
  background: transparent;
  color: #fff;

  /* background-image: radial-gradient(
      circle,
      rgba(78, 235, 78, 0.61),
      rgba(107, 236, 107, 0.7),
      rgba(78, 235, 78, 0.9)
    ); */
}

/* button.flash-green:hover:after {
    background: rgb(78, 235, 78);
  } */

@keyframes flash-green {
  50% {
    background: rgba(78, 235, 78, 0.2);
    /*box-shadow: 0 0 10px rgba(78, 235, 78, 0.2), 0 0 10px rgba(78, 235, 78, 0.2),*/
    /*  0 0 10px rgba(78, 235, 78, 0.2), 0 0 10px rgba(78, 235, 78, 0.2);*/
  }

  0%,
  100% {
    background: rgba(78, 235, 78);
    /*box-shadow: 0 0 10px rgba(78, 235, 78, 0.9), 0 0 10px rgba(78, 235, 78, 0.9),*/
    /*  0 0 10px rgba(78, 235, 78, 0.9), 0 0 10px rgba(78, 235, 78, 0.9);*/
  }
}

button.active-red {
  /*box-shadow: 0 0 5px rgba(240, 12, 12, 0.9), 0 0 5px rgba(240, 12, 12, 0.9),*/
  /*  0 0 5px rgba(240, 12, 12, 0.9), 0 0 5px rgba(240, 12, 12, 0.9);*/
  /* background-image: radial-gradient(
      circle,
      rgba(240, 12, 12, 0.61),
      rgba(240, 12, 12, 0.7),
      rgba(240, 12, 12, 0.9)
    ); */
  background: rgba(240, 12, 12);
  /*border: solid rgb(240, 180, 176) 3px;*/
  color: #fff;
}

/* button.active-red:hover:after {
    background: rgb(240, 12, 12);
  } */

button.flash-red {
  animation: flash-red 1.5s linear infinite;
  background: transparent;
  /* background-image: radial-gradient(
      circle,
      rgba(240, 12, 12, 0.61),
      rgba(240, 12, 12, 0.7),
      rgba(240, 12, 12, 0.9)
    ); */
  color: #fff;
}

/* button.flash-red:hover:after {
    background: rgb(240, 12, 12);
  } */

@keyframes flash-red {
  50% {
    background: rgba(240, 12, 12, 0.2);
    /*box-shadow: 0 0 10px rgba(240, 12, 12, 0.2), 0 0 10px rgba(240, 12, 12, 0.2),*/
    /*  0 0 10px rgba(240, 12, 12, 0.2), 0 0 10px rgba(240, 12, 12, 0.2);*/
  }

  0%,
  100% {
    background: rgba(240, 12, 12);
    /*box-shadow: 0 0 10px rgba(240, 12, 12, 0.9), 0 0 10px rgba(240, 12, 12, 0.9),*/
    /*  0 0 10px rgba(240, 12, 12, 0.9), 0 0 10px rgba(240, 12, 12, 0.9);*/
  }
}

button.active-yellow {
  box-shadow: 0 0 5px rgba(227, 170, 23, 0.9), 0 0 5px rgba(227, 170, 23, 0.9),
    0 0 5px rgba(227, 170, 23, 0.9), 0 0 5px rgba(227, 170, 23, 0.9);
  background: rgba(227, 170, 23);
  border: solid rgb(179, 187, 192) 3px;
  color: #fff;
}

button.flash-yellow {
  animation: flash-yellow 1.5s linear infinite;
  background: transparent;
  color: #fff;
}

@keyframes flash-yellow {
  50% {
    background: rgba(227, 170, 23, 0.2);
    box-shadow: 0 0 10px rgba(227, 170, 23, 0.2),
      0 0 10px rgba(227, 170, 23, 0.2), 0 0 10px rgba(227, 170, 23, 0.2),
      0 0 10px rgba(227, 170, 23, 0.2);
  }

  0%,
  100% {
    background: rgba(227, 170, 23);
    box-shadow: 0 0 10px rgba(227, 170, 23, 0.9),
      0 0 10px rgba(227, 170, 23, 0.9), 0 0 10px rgba(227, 170, 23, 0.9),
      0 0 10px rgba(227, 170, 23, 0.9);
  }
}

button.active-white {
  /*box-shadow: 0 0 5px rgba(227, 170, 23, 0.9), 0 0 5px rgba(227, 170, 23, 0.9),*/
  /*  0 0 5px rgba(227, 170, 23, 0.9), 0 0 5px rgba(227, 170, 23, 0.9);*/
  background: #fff;
  /*border: solid rgb(179, 187, 192) 3px;*/
  color: var(--item-bg);
}

button.flash-white {
  animation: flash-white 1.5s linear infinite;
  background: transparent;
  color: var(--item-bg);
}

@keyframes flash-white {
  50% {
    background: var(--border-color);
    /*box-shadow: 0 0 10px rgba(227, 170, 23, 0.2),*/
    /*  0 0 10px rgba(227, 170, 23, 0.2), 0 0 10px rgba(227, 170, 23, 0.2),*/
    /*  0 0 10px rgba(227, 170, 23, 0.2);*/
  }

  0%,
  100% {
    background: #fff;
    /*box-shadow: 0 0 10px rgba(227, 170, 23, 0.9),*/
    /*  0 0 10px rgba(227, 170, 23, 0.9), 0 0 10px rgba(227, 170, 23, 0.9),*/
    /*  0 0 10px rgba(227, 170, 23, 0.9);*/
  }
}


.upload-btn {
  width: 140px;
  height: 40px;
  position: relative;
  display: inline-block;
  color: var(--font-color);
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  letter-spacing: 2px;
  border: 2px solid var(--font-color);
  border-radius: 2px;
  margin-left: auto;
  background-color: var(--item-bg);
}
.upload-btn:hover {
  background: #415da1;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #415da1, 0 0 10px #415da1, 0 0 15px #415da1,
    0 0 20px #415da1;
}
.upload-btn:active {
  box-shadow: 0 0 5px #415da1, 0 0 25px #415da1, 0 0 50px #415da1,
    0 0 100px #415da1;
}

input[type="range"] {
  cursor: pointer;
  appearance: none;
}
input[type="range"]::-moz-range-thumb {
  appearance: none;
  box-shadow: 0 0.125em 0.125em #0d1112; /*添加底部阴影*/
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  box-shadow: 0 0.125em 0.125em #0d1112; /*添加底部阴影*/
}

input::placeholder {
  color: #b0b0b0 !important;
  /*font-style: italic;*/
}

input[type="text"] {
  /*background-color: var(--frame-color);*/
}